TY - BOOK AU - "LEWIS W.A.," TI - PRINCIPLES OF ECONOMIC PLANNING SN - NULL U1 - 338.9 LEW PY - 1969/// CY - BOMBAY PB - GEORGE ALLEN & UNWING (INDIA) PVT. LTD. KW - "ECONOMICS,PRODUCTION,ECONOMIC DEVELOPMENT,ECONOMIC PLANNING" ER -